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Area Code Lookup

Area Code 203 Phone Lookup

Connecticut, United States. Explore phone prefixes, caller activity, exchange details, and community reports connected to this area code.

782prefix records
66lookup pages
203area code

Phone Prefixes in This Area Code

Each prefix groups related phone numbers by exchange, location, carrier, and line type.

Landline

(203) 420

CityMeriden
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 421

CityMadison
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 423

CityHartford
CountyHartford
CarrierTeleport Communications Group - New York - Ct
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Landline

(203) 425

CityStamford
CountyFairfield
CarrierSouthern New England Telephone Co.
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Landline

(203) 426

CityNewtown
CountyFairfield
CarrierSouthern New England Telephone Co.
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Landline

(203) 427

CityHartford
CountyHartford
CarrierMcimetro Access Transmission Services Llc
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Landline

(203) 428

CityStamford
CountyFairfield
CarrierBrooks Fiber Communications Of Connecticut Inc-ct
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Landline

(203) 429

CityStamford
CountyFairfield
CarrierBrooks Fiber Communications Of Connecticut Inc-ct
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Wireless

(203) 430

CityMiddletown
CountyMiddlesex
CarrierNew Cingular Wireless Pcs Llc - Dc
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Landline

(203) 431

CityRidgefield
CountyFairfield
CarrierSouthern New England Telephone Co.
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